diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r-- | drivers/net/phy/phy.c | 490 |
1 files changed, 214 insertions, 276 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 1d73ac3309ce..d33e7b3caf03 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -46,11 +46,8 @@ static const char *phy_state_to_str(enum phy_state st) { switch (st) { PHY_STATE_STR(DOWN) - PHY_STATE_STR(STARTING) PHY_STATE_STR(READY) - PHY_STATE_STR(PENDING) PHY_STATE_STR(UP) - PHY_STATE_STR(AN) PHY_STATE_STR(RUNNING) PHY_STATE_STR(NOLINK) PHY_STATE_STR(FORCING) @@ -62,6 +59,17 @@ static const char *phy_state_to_str(enum phy_state st) return NULL; } +static void phy_link_up(struct phy_device *phydev) +{ + phydev->phy_link_change(phydev, true, true); + phy_led_trigger_change_speed(phydev); +} + +static void phy_link_down(struct phy_device *phydev, bool do_carrier) +{ + phydev->phy_link_change(phydev, false, do_carrier); + phy_led_trigger_change_speed(phydev); +} /** * phy_print_status - Convenience function to print out the current phy status @@ -105,9 +113,9 @@ static int phy_clear_interrupt(struct phy_device *phydev) * * Returns 0 on success or < 0 on error. */ -static int phy_config_interrupt(struct phy_device *phydev, u32 interrupts) +static int phy_config_interrupt(struct phy_device *phydev, bool interrupts) { - phydev->interrupts = interrupts; + phydev->interrupts = interrupts ? 1 : 0; if (phydev->drv->config_intr) return phydev->drv->config_intr(phydev); @@ -171,11 +179,9 @@ EXPORT_SYMBOL(phy_aneg_done); * settings were found. */ static const struct phy_setting * -phy_find_valid(int speed, int duplex, u32 supported) +phy_find_valid(int speed, int duplex, unsigned long *supported) { - unsigned long mask = supported; - - return phy_lookup_setting(speed, duplex, &mask, BITS_PER_LONG, false); + return phy_lookup_setting(speed, duplex, supported, false); } /** @@ -192,9 +198,7 @@ unsigned int phy_supported_speeds(struct phy_device *phy, unsigned int *speeds, unsigned int size) { - unsigned long supported = phy->supported; - - return phy_speeds(speeds, size, &supported, BITS_PER_LONG); + return phy_speeds(speeds, size, phy->supported); } /** @@ -206,11 +210,10 @@ unsigned int phy_supported_speeds(struct phy_device *phy, * * Description: Returns true if there is a valid setting, false otherwise. */ -static inline bool phy_check_valid(int speed, int duplex, u32 features) +static inline bool phy_check_valid(int speed, int duplex, + unsigned long *features) { - unsigned long mask = features; - - return !!phy_lookup_setting(speed, duplex, &mask, BITS_PER_LONG, true); + return !!phy_lookup_setting(speed, duplex, features, true); } /** @@ -224,13 +227,13 @@ static inline bool phy_check_valid(int speed, int duplex, u32 features) static void phy_sanitize_settings(struct phy_device *phydev) { const struct phy_setting *setting; - u32 features = phydev->supported; /* Sanitize settings based on PHY capabilities */ - if ((features & SUPPORTED_Autoneg) == 0) + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->supported)) phydev->autoneg = AUTONEG_DISABLE; - setting = phy_find_valid(phydev->speed, phydev->duplex, features); + setting = phy_find_valid(phydev->speed, phydev->duplex, + phydev->supported); if (setting) { phydev->speed = setting->speed; phydev->duplex = setting->duplex; @@ -256,13 +259,15 @@ static void phy_sanitize_settings(struct phy_device *phydev) */ int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd) { + __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); u32 speed = ethtool_cmd_speed(cmd); if (cmd->phy_address != phydev->mdio.addr) return -EINVAL; /* We make sure that we don't pass unsupported values in to the PHY */ - cmd->advertising &= phydev->supported; + ethtool_convert_legacy_u32_to_link_mode(advertising, cmd->advertising); + linkmode_and(advertising, advertising, phydev->supported); /* Verify the settings we care about. */ if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE) @@ -283,12 +288,14 @@ int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd) phydev->speed = speed; - phydev->advertising = cmd->advertising; + linkmode_copy(phydev->advertising, advertising); if (AUTONEG_ENABLE == cmd->autoneg) - phydev->advertising |= ADVERTISED_Autoneg; + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->advertising); else - phydev->advertising &= ~ADVERTISED_Autoneg; + linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->advertising); phydev->duplex = cmd->duplex; @@ -304,25 +311,24 @@ EXPORT_SYMBOL(phy_ethtool_sset); int phy_ethtool_ksettings_set(struct phy_device *phydev, const struct ethtool_link_ksettings *cmd) { + __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); u8 autoneg = cmd->base.autoneg; u8 duplex = cmd->base.duplex; u32 speed = cmd->base.speed; - u32 advertising; if (cmd->base.phy_address != phydev->mdio.addr) return -EINVAL; - ethtool_convert_link_mode_to_legacy_u32(&advertising, - cmd->link_modes.advertising); + linkmode_copy(advertising, cmd->link_modes.advertising); /* We make sure that we don't pass unsupported values in to the PHY */ - advertising &= phydev->supported; + linkmode_and(advertising, advertising, phydev->supported); /* Verify the settings we care about. */ if (autoneg != AUTONEG_ENABLE && autoneg != AUTONEG_DISABLE) return -EINVAL; - if (autoneg == AUTONEG_ENABLE && advertising == 0) + if (autoneg == AUTONEG_ENABLE && linkmode_empty(advertising)) return -EINVAL; if (autoneg == AUTONEG_DISABLE && @@ -337,12 +343,14 @@ int phy_ethtool_ksettings_set(struct phy_device *phydev, phydev->speed = speed; - phydev->advertising = advertising; + linkmode_copy(phydev->advertising, advertising); if (autoneg == AUTONEG_ENABLE) - phydev->advertising |= ADVERTISED_Autoneg; + linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->advertising); else - phydev->advertising &= ~ADVERTISED_Autoneg; + linkmode_clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->advertising); phydev->duplex = duplex; @@ -358,14 +366,9 @@ EXPORT_SYMBOL(phy_ethtool_ksettings_set); void phy_ethtool_ksettings_get(struct phy_device *phydev, struct ethtool_link_ksettings *cmd) { - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, - phydev->supported); - - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, - phydev->advertising); - - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising, - phydev->lp_advertising); + linkmode_copy(cmd->link_modes.supported, phydev->supported); + linkmode_copy(cmd->link_modes.advertising, phydev->advertising); + linkmode_copy(cmd->link_modes.lp_advertising, phydev->lp_advertising); cmd->base.speed = phydev->speed; cmd->base.duplex = phydev->duplex; @@ -434,7 +437,8 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) } break; case MII_ADVERTISE: - phydev->advertising = mii_adv_to_ethtool_adv_t(val); + mii_adv_mod_linkmode_adv_t(phydev->advertising, + val); change_autoneg = true; break; default: @@ -467,6 +471,18 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) } EXPORT_SYMBOL(phy_mii_ioctl); +static void phy_queue_state_machine(struct phy_device *phydev, + unsigned int secs) +{ + mod_delayed_work(system_power_efficient_wq, &phydev->state_queue, + secs * HZ); +} + +static void phy_trigger_machine(struct phy_device *phydev) +{ + phy_queue_state_machine(phydev, 0); +} + static int phy_config_aneg(struct phy_device *phydev) { if (phydev->drv->config_aneg) @@ -482,6 +498,34 @@ static int phy_config_aneg(struct phy_device *phydev) } /** + * phy_check_link_status - check link status and set state accordingly + * @phydev: the phy_device struct + * + * Description: Check for link and whether autoneg was triggered / is running + * and set state accordingly + */ +static int phy_check_link_status(struct phy_device *phydev) +{ + int err; + + WARN_ON(!mutex_is_locked(&phydev->lock)); + + err = phy_read_status(phydev); + if (err) + return err; + + if (phydev->link && phydev->state != PHY_RUNNING) { + phydev->state = PHY_RUNNING; + phy_link_up(phydev); + } else if (!phydev->link && phydev->state != PHY_NOLINK) { + phydev->state = PHY_NOLINK; + phy_link_down(phydev, true); + } + + return 0; +} + +/** * phy_start_aneg - start auto-negotiation for this PHY device * @phydev: the phy_device struct * @@ -492,7 +536,6 @@ static int phy_config_aneg(struct phy_device *phydev) */ int phy_start_aneg(struct phy_device *phydev) { - bool trigger = 0; int err; if (!phydev->drv) @@ -500,44 +543,33 @@ int phy_start_aneg(struct phy_device *phydev) mutex_lock(&phydev->lock); + if (!__phy_is_started(phydev)) { + WARN(1, "called from state %s\n", + phy_state_to_str(phydev->state)); + err = -EBUSY; + goto out_unlock; + } + if (AUTONEG_DISABLE == phydev->autoneg) phy_sanitize_settings(phydev); /* Invalidate LP advertising flags */ - phydev->lp_advertising = 0; + linkmode_zero(phydev->lp_advertising); err = phy_config_aneg(phydev); if (err < 0) goto out_unlock; - if (phydev->state != PHY_HALTED) { - if (AUTONEG_ENABLE == phydev->autoneg) { - phydev->state = PHY_AN; - phydev->link_timeout = PHY_AN_TIMEOUT; - } else { - phydev->state = PHY_FORCING; - phydev->link_timeout = PHY_FORCE_TIMEOUT; - } - } - - /* Re-schedule a PHY state machine to check PHY status because - * negotiation may already be done and aneg interrupt may not be - * generated. - */ - if (!phy_polling_mode(phydev) && phydev->state == PHY_AN) { - err = phy_aneg_done(phydev); - if (err > 0) { - trigger = true; - err = 0; - } + if (phydev->autoneg == AUTONEG_ENABLE) { + err = phy_check_link_status(phydev); + } else { + phydev->state = PHY_FORCING; + phydev->link_timeout = PHY_FORCE_TIMEOUT; } out_unlock: mutex_unlock(&phydev->lock); - if (trigger) - phy_trigger_machine(phydev); - return err; } EXPORT_SYMBOL(phy_start_aneg); @@ -573,20 +605,38 @@ static int phy_poll_aneg_done(struct phy_device *phydev) */ int phy_speed_down(struct phy_device *phydev, bool sync) { - u32 adv = phydev->lp_advertising & phydev->supported; - u32 adv_old = phydev->advertising; + __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old); + __ETHTOOL_DECLARE_LINK_MODE_MASK(adv); int ret; if (phydev->autoneg != AUTONEG_ENABLE) return 0; - if (adv & PHY_10BT_FEATURES) - phydev->advertising &= ~(PHY_100BT_FEATURES | - PHY_1000BT_FEATURES); - else if (adv & PHY_100BT_FEATURES) - phydev->advertising &= ~PHY_1000BT_FEATURES; + linkmode_copy(adv_old, phydev->advertising); + linkmode_copy(adv, phydev->lp_advertising); + linkmode_and(adv, adv, phydev->supported); + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, adv) || + linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, adv)) { + linkmode_clear_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, + phydev->advertising); + linkmode_clear_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + phydev->advertising); + linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, + phydev->advertising); + linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + phydev->advertising); + } else if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, + adv) || + linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + adv)) { + linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, + phydev->advertising); + linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + phydev->advertising); + } - if (phydev->advertising == adv_old) + if (linkmode_equal(phydev->advertising, adv_old)) return 0; ret = phy_config_aneg(phydev); @@ -605,28 +655,36 @@ EXPORT_SYMBOL_GPL(phy_speed_down); */ int phy_speed_up(struct phy_device *phydev) { - u32 mask = PHY_10BT_FEATURES | PHY_100BT_FEATURES | PHY_1000BT_FEATURES; - u32 adv_old = phydev->advertising; + __ETHTOOL_DECLARE_LINK_MODE_MASK(all_speeds) = { 0, }; + __ETHTOOL_DECLARE_LINK_MODE_MASK(not_speeds); + __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); + __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old); + __ETHTOOL_DECLARE_LINK_MODE_MASK(speeds); + + linkmode_copy(adv_old, phydev->advertising); if (phydev->autoneg != AUTONEG_ENABLE) return 0; - phydev->advertising = (adv_old & ~mask) | (phydev->supported & mask); + linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, all_speeds); + linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, all_speeds); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, all_speeds); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, all_speeds); + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, all_speeds); + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, all_speeds); + + linkmode_andnot(not_speeds, adv_old, all_speeds); + linkmode_copy(supported, phydev->supported); + linkmode_and(speeds, supported, all_speeds); + linkmode_or(phydev->advertising, not_speeds, speeds); - if (phydev->advertising == adv_old) + if (linkmode_equal(phydev->advertising, adv_old)) return 0; return phy_config_aneg(phydev); } EXPORT_SYMBOL_GPL(phy_speed_up); -static void phy_queue_state_machine(struct phy_device *phydev, - unsigned int secs) -{ - mod_delayed_work(system_power_efficient_wq, &phydev->state_queue, - secs * HZ); -} - /** * phy_start_machine - start PHY state machine tracking * @phydev: the phy_device struct @@ -644,20 +702,6 @@ void phy_start_machine(struct phy_device *phydev) EXPORT_SYMBOL_GPL(phy_start_machine); /** - * phy_trigger_machine - trigger the state machine to run - * - * @phydev: the phy_device struct - * - * Description: There has been a change in state which requires that the - * state machine runs. - */ - -void phy_trigger_machine(struct phy_device *phydev) -{ - phy_queue_state_machine(phydev, 0); -} - -/** * phy_stop_machine - stop the PHY state machine tracking * @phydev: target phy_device struct * @@ -670,7 +714,7 @@ void phy_stop_machine(struct phy_device *phydev) cancel_delayed_work_sync(&phydev->state_queue); mutex_lock(&phydev->lock); - if (phydev->state > PHY_UP && phydev->state != PHY_HALTED) + if (__phy_is_started(phydev)) phydev->state = PHY_UP; mutex_unlock(&phydev->lock); } @@ -686,6 +730,8 @@ void phy_stop_machine(struct phy_device *phydev) */ static void phy_error(struct phy_device *phydev) { + WARN_ON(1); + mutex_lock(&phydev->lock); phydev->state = PHY_HALTED; mutex_unlock(&phydev->lock); @@ -711,30 +757,26 @@ static int phy_disable_interrupts(struct phy_device *phydev) } /** - * phy_change - Called by the phy_interrupt to handle PHY changes - * @phydev: phy_device struct that interrupted + * phy_interrupt - PHY interrupt handler + * @irq: interrupt line + * @phy_dat: phy_device pointer + * + * Description: Handle PHY interrupt */ -static irqreturn_t phy_change(struct phy_device *phydev) +static irqreturn_t phy_interrupt(int irq, void *phy_dat) { - if (phy_interrupt_is_valid(phydev)) { - if (phydev->drv->did_interrupt && - !phydev->drv->did_interrupt(phydev)) - return IRQ_NONE; - - if (phydev->state == PHY_HALTED) - if (phy_disable_interrupts(phydev)) - goto phy_err; - } + struct phy_device *phydev = phy_dat; - mutex_lock(&phydev->lock); - if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) - phydev->state = PHY_CHANGELINK; - mutex_unlock(&phydev->lock); + if (!phy_is_started(phydev)) + return IRQ_NONE; /* It can't be ours. */ + + if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev)) + return IRQ_NONE; /* reschedule state queue work to run as soon as possible */ phy_trigger_machine(phydev); - if (phy_interrupt_is_valid(phydev) && phy_clear_interrupt(phydev)) + if (phy_clear_interrupt(phydev)) goto phy_err; return IRQ_HANDLED; @@ -744,36 +786,6 @@ phy_err: } /** - * phy_change_work - Scheduled by the phy_mac_interrupt to handle PHY changes - * @work: work_struct that describes the work to be done - */ -void phy_change_work(struct work_struct *work) -{ - struct phy_device *phydev = - container_of(work, struct phy_device, phy_queue); - - phy_change(phydev); -} - -/** - * phy_interrupt - PHY interrupt handler - * @irq: interrupt line - * @phy_dat: phy_device pointer - * - * Description: When a PHY interrupt occurs, the handler disables - * interrupts, and uses phy_change to handle the interrupt. - */ -static irqreturn_t phy_interrupt(int irq, void *phy_dat) -{ - struct phy_device *phydev = phy_dat; - - if (PHY_HALTED == phydev->state) - return IRQ_NONE; /* It can't be ours. */ - - return phy_change(phydev); -} - -/** * phy_enable_interrupts - Enable the interrupts from the PHY side * @phydev: target phy_device struct */ @@ -837,21 +849,24 @@ void phy_stop(struct phy_device *phydev) { mutex_lock(&phydev->lock); - if (PHY_HALTED == phydev->state) - goto out_unlock; + if (!__phy_is_started(phydev)) { + WARN(1, "called from state %s\n", + phy_state_to_str(phydev->state)); + mutex_unlock(&phydev->lock); + return; + } if (phy_interrupt_is_valid(phydev)) phy_disable_interrupts(phydev); phydev->state = PHY_HALTED; -out_unlock: mutex_unlock(&phydev->lock); phy_state_machine(&phydev->state_queue.work); /* Cannot call flush_scheduled_work() here as desired because - * of rtnl_lock(), but PHY_HALTED shall guarantee phy_change() + * of rtnl_lock(), but PHY_HALTED shall guarantee irq handler * will not reenable interrupts. */ } @@ -874,9 +889,6 @@ void phy_start(struct phy_device *phydev) mutex_lock(&phydev->lock); switch (phydev->state) { - case PHY_STARTING: - phydev->state = PHY_PENDING; - break; case PHY_READY: phydev->state = PHY_UP; break; @@ -902,18 +914,6 @@ void phy_start(struct phy_device *phydev) } EXPORT_SYMBOL(phy_start); -static void phy_link_up(struct phy_device *phydev) -{ - phydev->phy_link_change(phydev, true, true); - phy_led_trigger_change_speed(phydev); -} - -static void phy_link_down(struct phy_device *phydev, bool do_carrier) -{ - phydev->phy_link_change(phydev, false, do_carrier); - phy_led_trigger_change_speed(phydev); -} - /** * phy_state_machine - Handle the state machine * @work: work_struct that describes the work to be done @@ -936,63 +936,17 @@ void phy_state_machine(struct work_struct *work) switch (phydev->state) { case PHY_DOWN: - case PHY_STARTING: case PHY_READY: - case PHY_PENDING: break; case PHY_UP: needs_aneg = true; - phydev->link_timeout = PHY_AN_TIMEOUT; - - break; - case PHY_AN: - err = phy_read_status(phydev); - if (err < 0) - break; - - /* If the link is down, give up on negotiation for now */ - if (!phydev->link) { - phydev->state = PHY_NOLINK; - phy_link_down(phydev, true); - break; - } - - /* Check if negotiation is done. Break if there's an error */ - err = phy_aneg_done(phydev); - if (err < 0) - break; - - /* If AN is done, we're running */ - if (err > 0) { - phydev->state = PHY_RUNNING; - phy_link_up(phydev); - } else if (0 == phydev->link_timeout--) - needs_aneg = true; break; case PHY_NOLINK: - if (!phy_polling_mode(phydev)) - break; - - err = phy_read_status(phydev); - if (err) - break; - - if (phydev->link) { - if (AUTONEG_ENABLE == phydev->autoneg) { - err = phy_aneg_done(phydev); - if (err < 0) - break; - - if (!err) { - phydev->state = PHY_AN; - phydev->link_timeout = PHY_AN_TIMEOUT; - break; - } - } - phydev->state = PHY_RUNNING; - phy_link_up(phydev); - } + case PHY_RUNNING: + case PHY_CHANGELINK: + case PHY_RESUMING: + err = phy_check_link_status(phydev); break; case PHY_FORCING: err = genphy_update_link(phydev); @@ -1008,32 +962,6 @@ void phy_state_machine(struct work_struct *work) phy_link_down(phydev, false); } break; - case PHY_RUNNING: - if (!phy_polling_mode(phydev)) - break; - - err = phy_read_status(phydev); - if (err) - break; - - if (!phydev->link) { - phydev->state = PHY_NOLINK; - phy_link_down(phydev, true); - } - break; - case PHY_CHANGELINK: - err = phy_read_status(phydev); - if (err) - break; - - if (phydev->link) { - phydev->state = PHY_RUNNING; - phy_link_up(phydev); - } else { - phydev->state = PHY_NOLINK; - phy_link_down(phydev, true); - } - break; case PHY_HALTED: if (phydev->link) { phydev->link = 0; @@ -1041,30 +969,6 @@ void phy_state_machine(struct work_struct *work) do_suspend = true; } break; - case PHY_RESUMING: - if (AUTONEG_ENABLE == phydev->autoneg) { - err = phy_aneg_done(phydev); - if (err < 0) { - break; - } else if (!err) { - phydev->state = PHY_AN; - phydev->link_timeout = PHY_AN_TIMEOUT; - break; - } - } - - err = phy_read_status(phydev); - if (err) - break; - - if (phydev->link) { - phydev->state = PHY_RUNNING; - phy_link_up(phydev); - } else { - phydev->state = PHY_NOLINK; - phy_link_down(phydev, false); - } - break; } mutex_unlock(&phydev->lock); @@ -1090,7 +994,7 @@ void phy_state_machine(struct work_struct *work) * state machine would be pointless and possibly error prone when * called from phy_disconnect() synchronously. */ - if (phy_polling_mode(phydev) && old_state != PHY_HALTED) + if (phy_polling_mode(phydev) && phy_is_started(phydev)) phy_queue_state_machine(phydev, PHY_STATE_TIME); } @@ -1104,10 +1008,34 @@ void phy_state_machine(struct work_struct *work) void phy_mac_interrupt(struct phy_device *phydev) { /* Trigger a state machine change */ - queue_work(system_power_efficient_wq, &phydev->phy_queue); + phy_trigger_machine(phydev); } EXPORT_SYMBOL(phy_mac_interrupt); +static void mmd_eee_adv_to_linkmode(unsigned long *advertising, u16 eee_adv) +{ + linkmode_zero(advertising); + + if (eee_adv & MDIO_EEE_100TX) + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + advertising); + if (eee_adv & MDIO_EEE_1000T) + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + advertising); + if (eee_adv & MDIO_EEE_10GT) + linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + advertising); + if (eee_adv & MDIO_EEE_1000KX) + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + advertising); + if (eee_adv & MDIO_EEE_10GKX4) + linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, + advertising); + if (eee_adv & MDIO_EEE_10GKR) + linkmode_set_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + advertising); +} + /** * phy_init_eee - init and check the EEE feature * @phydev: target phy_device struct @@ -1126,9 +1054,12 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) /* According to 802.3az,the EEE is supported only in full duplex-mode. */ if (phydev->duplex == DUPLEX_FULL) { + __ETHTOOL_DECLARE_LINK_MODE_MASK(common); + __ETHTOOL_DECLARE_LINK_MODE_MASK(lp); + __ETHTOOL_DECLARE_LINK_MODE_MASK(adv); int eee_lp, eee_cap, eee_adv; - u32 lp, cap, adv; int status; + u32 cap; /* Read phy status to properly get the right settings */ status = phy_read_status(phydev); @@ -1155,9 +1086,11 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) if (eee_adv <= 0) goto eee_exit_err; - adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv); - lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp); - if (!phy_check_valid(phydev->speed, phydev->duplex, lp & adv)) + mmd_eee_adv_to_linkmode(adv, eee_adv); + mmd_eee_adv_to_linkmode(lp, eee_lp); + linkmode_and(common, adv, lp); + + if (!phy_check_valid(phydev->speed, phydev->duplex, common)) goto eee_exit_err; if (clk_stop_enable) { @@ -1221,6 +1154,7 @@ int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data) if (val < 0) return val; data->advertised = mmd_eee_adv_to_ethtool_adv_t(val); + data->eee_enabled = !!data->advertised; /* Get LP advertisement EEE */ val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE); @@ -1228,6 +1162,8 @@ int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data) return val; data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val); + data->eee_active = !!(data->advertised & data->lp_advertised); + return 0; } EXPORT_SYMBOL(phy_ethtool_get_eee); @@ -1241,7 +1177,7 @@ EXPORT_SYMBOL(phy_ethtool_get_eee); */ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data) { - int cap, old_adv, adv, ret; + int cap, old_adv, adv = 0, ret; if (!phydev->drv) return -EIO; @@ -1255,10 +1191,12 @@ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data) if (old_adv < 0) return old_adv; - adv = ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap; - - /* Mask prohibited EEE modes */ - adv &= ~phydev->eee_broken_modes; + if (data->eee_enabled) { + adv = !data->advertised ? cap : + ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap; + /* Mask prohibited EEE modes */ + adv &= ~phydev->eee_broken_modes; + } if (old_adv != adv) { ret = phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, adv); |